CN203799675U - Plasma parameter measuring device under Galatea magnetic confinement device - Google Patents
Plasma parameter measuring device under Galatea magnetic confinement device Download PDFInfo
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- CN203799675U CN203799675U CN201420201219.3U CN201420201219U CN203799675U CN 203799675 U CN203799675 U CN 203799675U CN 201420201219 U CN201420201219 U CN 201420201219U CN 203799675 U CN203799675 U CN 203799675U
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- 238000005259 measurement Methods 0.000 claims abstract description 56
- 239000000523 sample Substances 0.000 claims abstract description 43
- 238000012545 processing Methods 0.000 claims abstract description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 238000010584 magnetic trap Methods 0.000 claims 5
- 238000009434 installation Methods 0.000 abstract description 5
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- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010057040 Temperature intolerance Diseases 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
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Abstract
The utility model relates to the technical field of magnetic confinement plasma parameter measurement, in particular to a plasma parameter measuring device under a Galatea magnetic confinement device. An electric probe measuring module effectively measures the density and temperature of the plasma; a magnetic probe measuring module measures the magnetic field intensity of a specific area in a targeted manner; a calorimeter measuring module 3 measures the variations of energy of the plasma in three components of the Galatea magnetic confinement device; a Rogowski coil measuring module measures discharging current of the plasma so as to facilitate the adjustment of a plasma channel installation position; and a signal acquisition module, a signal processing module and a PC display module are combined for processing measured signals uniformly. Through the effective combination of the measuring tools of the modules, the parameter information required in plasma research can be measured and acquired comprehensively.
Description
Technical field:
The utility model relates to field of measuring technique, is specifically related to the good plasma parameter measuring apparatus under clean refined type magnetic confinement device that draws, especially for the measurement of the high temperature under strong constraint magnetic field, high pressure plasma parameter.
Background technology:
The world today, seriousness and the urgency of energy field relevant issues highlight increasingly.The crisis and the controversial issue that are caused by energy problem have even been there is in some areas.Nuclear fusion all has considerable advantage on energy content, fuel reserves, security and the environment friendly of fuel.But still exist in many science and a technical difficult problem to effective utilization of fusion energy.In thermonuclear fusion reaction, still can not realize constraint stable while length by plasma, restricting further developing of nuclear energy uses technology, the measurement of plasma parameter is significant for theoretical research and the application in practice of thermonuclear fusion reaction as the basis of magnetic confinement of plasma research.Deng the restraint condition for better reflection device plasma, to realize the fast development of magnetic confinement technology, instrument plasma parameter is carried out reliably, in real time, measure accurately by experiment.At present, in magnetic confinement of plasma device, the measurement of plasma parameter mainly adopts Langmuir probe, motion state and the space distribution of the signal acquisition plasma by different spatial probe, the I-V(electric current and the voltage that obtain by probe) family curve solves electron temperature, can obtain particle density.But this measuring method has the following disadvantages: the movement velocity of (1) magnetically confined plasma is large, space magnetic induction density causes very large measuring error even may cause the damage of probe compared with conference; (2) probe measurement plasma density need to be derived to calculate by secondary and be obtained, and can not ensure the accuracy of measurement result; (3) measurement result of single-measurement instrument is processed separately, can not reflect generally magnetic confinement device ruuning situation, and real-time is poor.
Utility model content:
The utility model is that the measuring accuracy in order to solve existing measurement mechanism is poor, real-time is poor, survey instrument damages, the incomplete problem of measurement parameter, and a kind of decentralized measure, the central controlled measurement mechanism that adopt.It comprises electric probe measurement module, magnetic probe measurement module, calorimeter measurement module, this lubber ring measurement module of Kenneth Rogoff, signal acquisition module, signal processing module, PC display module,
Electric probe measurement module, comprises that 12 tungsten filaments make electric probe, and electric probe is uniformly distributed on the circumference of R=0.28m in coil magnetic well, filling time and confinement time that the measuring-signal obtaining by 12 electric probes obtains plasma;
Magnetic probe measurement module, encloses little probe coil in quartz ampoule, then inserts in plasma, is respectively used to measure the magnetic field intensity of passage magnetic field and magnetic well coil space, and the magnetic field intensity of the each ingredient magnetic field intensity of passage and zone of transition is measured;
Calorimeter measurement module, comprises annular calorimeter and cylindrical calorimeter, is arranged in the rear side of entrance, outlet and the magnetic well coil of plasma channel, measures the heat situation of plasma in different phase, the binding effect of reflection plasma;
This lubber ring measurement module of Kenneth Rogoff, the coil that is 7mm by 400 linear diameters forms, and coil mean diameter is 60mm;
Signal acquisition module, the measured analog quantity of aforementioned each measurement module can be converted to digital quantity, do further processing by signal processing module again, reflect the ruuning situation of device, the result finally by PC display module, different measuring instrument being recorded shows.
Described annular calorimeter is placed in the centre of plasma gun outlet and plasma channel entrance, for measuring the initial temperature of plasma, described cylindrical calorimeter is placed in the region between plasma channel outlet and magnetic well coil entrance, leaves the energy of plasma before entering magnetic well coil for measuring plasma from plasma channel.
This lubber ring of described Kenneth Rogoff is positioned over A, B, C, D position, and A is between the two poles of the earth of plasma gun, and B, C, 3 distances that export apart from plasma gun of D are 5cm, 10cm, 15cm.
The tungsten filament that the probe of described electric probe measurement module is 1.8mm or 0.3mm by diameter is made.
Brief description of the drawings:
Fig. 1 plasma gun survey instrument is arranged schematic diagram
Fig. 2 plasma channel survey instrument scheme of installation
Calorimeter scheme of installation in Fig. 3 plasma channel and magnetic well
The scheme of installation of electric probe in Fig. 4 plasma magnetic well coil
Fig. 5 measurement mechanism entire system structural representation
Embodiment:
Accompanying drawings embodiment:
The utility model is that the measuring accuracy in order to solve existing measurement mechanism is poor, real-time is poor, survey instrument damages, the incomplete problem of measurement parameter, and a kind of decentralized measure, the central controlled measurement mechanism that adopt.It comprises electric probe measurement module 1, magnetic probe measurement module 2, calorimeter measurement module 3, this lubber ring measurement module 4 of Kenneth Rogoff, signal acquisition module 5, signal processing module 6, PC display module 7.
Electric probe measurement module 1 comprises two parts: according to the feature of electric probe self, probe is mainly arranged in to low-intensity magnetic field region---the low-intensity magnetic field region under plasma channel edge and magnetic well magnetic field configuration that coil produces, can effectively improve measuring accuracy and avoid the damage of probe.Magnetic probe measurement module 2 comprises two parts: the magnetic field intensity that is respectively used to measure passage magnetic field and magnetic well coil space, reflect respectively its magnetic field strength distribution, magnetic probe mensuration is near the method for a bit magnetic field magnetic induction in measurement space, little probe coil is enclosed in quartz ampoule, then insert in plasma rate of change that just can ranging pulse magnetic field.The survey instrument that calorimeter measurement module 3 adopts has annular calorimeter and cylindrical calorimeter, wherein, annular calorimeter is placed in the centre of plasma gun outlet and plasma channel entrance, for measuring the initial temperature of plasma, cylindrical calorimeter is placed in the region between plasma channel outlet and magnetic well coil entrance, leave the energy of plasma before entering magnetic well coil for measuring plasma from plasma channel, can effectively analyze the loss of plasma channel applying plasma energy by both measurement results.This lubber ring measurement module 4 of Kenneth Rogoff is in order to measure By Impulsive Current, and it provides the direct measurement approach of the axial total current of flowing through coil, and the distribution of it and intraductal electric current is irrelevant, can effectively measure the electric current of the plasma of flowing through.The simulating signal result that each measurement module records is sent into signal processing module 6 through signal acquisition module 5, by PC display module 7, measuring-signal after treatment is able to digitized demonstration by human-computer interaction interface after treatment, can carry out effective monitoring to the good operation state that draws clean refined type magnetic confinement device, be convenient to the real-time adjusting of device, reach the effect of confining plasma better.
The application of this measuring system is the good clean refined type magnetic confinement device that draws, and it is structurally made up of three parts: plasma gun, plasma channel and magnetic well.Wherein plasma density variation range is: 1 × 10
16-8 × 10
20m
-3, energy of plasma variation range: 0-100eV, field region magnetic induction density variation range: 0.01T-0.1T.Plasma gun relies on electric capacity 24 μ F, and voltage can reach the pulse power energy supply of 20kV.Sparking voltage is up to 17kV, and when in circuit, discharge current is about 130kA, apart from rifle 1cm place, electric current can not exceed 8kA.In plasma channel, axially magnetic field intensity is 0.034T, and the energy that enters the low speed plasma of plasma channel is 20J, and the number of particles that enters plasma channel is about 1019.The average velocity of low speed plasma in plasma channel is 5 × 10
4m/s, the long 1.5m of plasma jet, injection length is 30 μ s.When plasma leaves plasma channel, energy is 2J, and number of particles is 10
18.The particle mean concentration in exit is about 2 × 10
20m
-3.
In Fig. 1, this lubber ring of Kenneth Rogoff is placed in A, B, C, D position, the coil that it is 7mm by 400 linear diameters forms, coil mean diameter is 60mm, in order to measure the discharge current of plasma, A, between the two poles of the earth of plasma gun, measures the discharge current in the plasma process of hydrogen, and 3 distances apart from plasma gun outlet of B, C, D are 5cm, 10cm, 15cm, apart from capable of regulating, measurement result is in order to adjust the space mounting position of plasma channel.
Fig. 2 plasma channel is made up of four parts: the full plasma channel of E, F cropper, G rapid plasma body passage, H chute coil.In figure, 4-10 is magnetic coil, and linear diameter is 3mm, and coil diameter is 110mm.Annular calorimeter 3 is made up of annular brass disk, its outer dia 118mm, inside diameter 103mm.Annulus is divided into four parts, and the insulating ceramics that every part is 22XC by model connects.Use the adjustment of ambrose alloy thermopair in each part.Annular heat meter calibrating mechanism provides, its calorimetric temperature control is 231 μ V/K, heat sensitivity 6.7 μ V/J, because the plasma speed direction of launching from plasma gun is stochastic distribution, and annular calorimeter diameter is identical with plasma channel diameter, measurement range has covered plasma and has entered the Zone Full of plasma channel, temperature and energy that can Measurement accuracy plasma.Cylindrical calorimeter 11 is by diameter 47mm, long 100mm, Copper Foil cylindric and that wall thickness is 0.3mm is made, calorimetric sensitivity is 231 μ V/K, because the plasma of launching from plasma channel is mainly distributed in the uniform magnetic field region of channel center, therefore adopt the less cylindrical calorimeter of diameter, to reach the object that improves measuring accuracy.Calorimeter in channel outlet and magnetic well distributes as shown in Figure 3.
The installation site of Fig. 4 plasma filling process electric probe in magnetic well.θ=0 ° is plasma injection phase, and 12 probe locations are installed as figure, and the tungsten filament that probe is 1.8mm and 0.3mm by diameter is made.In figure, R=0.28m place circumference is magnetic well coil low-intensity magnetic field district, if change the size of current in magnetic well coil, probe place radius of a circle will be made corresponding change.Can be measured by the mistiming of two probe signals the average velocity of plasma.Determine the boundary line of plasma in restraint device by probe.The direction of arranging by adjusting probe, capable of regulating is collected the plasma jet of surperficial parallel or vertical direction.
Fig. 5 is measurement mechanism one-piece construction schematic diagram, utilizes the different characteristics of each measurement module, measures targetedly corresponding plasma parameter, and measurement result is unified to be processed, and has ensured the accuracy, comprehensive of measurement parameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420201219.3U CN203799675U (en) | 2014-04-23 | 2014-04-23 | Plasma parameter measuring device under Galatea magnetic confinement device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101601A (en) * | 2015-05-15 | 2015-11-25 | 哈尔滨工业大学 | A full plasma channel system and its control method |
| CN105682333A (en) * | 2016-02-23 | 2016-06-15 | 哈尔滨工业大学 | Method and system for controlling plasmas to enter multi-pole magnetic trap coil |
| CN106057252A (en) * | 2016-06-21 | 2016-10-26 | 哈尔滨工业大学 | Plasma circumferential force balance control method for multi-pole magnetic trap confinement device |
| CN106952671A (en) * | 2017-04-28 | 2017-07-14 | 哈尔滨工业大学 | Device and method for measuring plasma time parameters under Jialajieya magnetic trap structure |
| CN107132568A (en) * | 2017-04-28 | 2017-09-05 | 哈尔滨工业大学 | Calculate the good system and method for drawing clean refined magnetic well plasma interface pressure |
| CN108040415A (en) * | 2017-12-21 | 2018-05-15 | 中国科学院合肥物质科学研究院 | Suitable for the integrated modular probe system of tungsten copper target plate |
| CN109541504A (en) * | 2018-07-02 | 2019-03-29 | 哈尔滨工业大学 | A kind of good magnetic field measurement system and method drawn in clean refined device plasma channel |
| CN109596245A (en) * | 2018-07-02 | 2019-04-09 | 哈尔滨工业大学 | It is good to draw electron temperature and plasma density measurement method and system in clean refined magnetic well |
| CN110673067A (en) * | 2019-09-04 | 2020-01-10 | 北京航空航天大学 | A two-dimensional magnetic induction probe for pulsed magnetic field diagnosis |
| CN111540480A (en) * | 2020-05-12 | 2020-08-14 | 中国科学院合肥物质科学研究院 | A Pole-oriented Fast Electron Measurement Probe System for Magnetically Confined Plasma |
| CN115047567A (en) * | 2022-05-23 | 2022-09-13 | 合肥聚能电物理高技术开发有限公司 | High-temperature plasma boundary optical signal acquisition device and processing method thereof |
-
2014
- 2014-04-23 CN CN201420201219.3U patent/CN203799675U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101601A (en) * | 2015-05-15 | 2015-11-25 | 哈尔滨工业大学 | A full plasma channel system and its control method |
| CN105682333A (en) * | 2016-02-23 | 2016-06-15 | 哈尔滨工业大学 | Method and system for controlling plasmas to enter multi-pole magnetic trap coil |
| CN106057252A (en) * | 2016-06-21 | 2016-10-26 | 哈尔滨工业大学 | Plasma circumferential force balance control method for multi-pole magnetic trap confinement device |
| CN107132568B (en) * | 2017-04-28 | 2019-04-19 | 哈尔滨工业大学 | System and Method for Calculating Plasma Interface Pressure in a Garagea Magnetic Trap |
| CN106952671A (en) * | 2017-04-28 | 2017-07-14 | 哈尔滨工业大学 | Device and method for measuring plasma time parameters under Jialajieya magnetic trap structure |
| CN107132568A (en) * | 2017-04-28 | 2017-09-05 | 哈尔滨工业大学 | Calculate the good system and method for drawing clean refined magnetic well plasma interface pressure |
| CN108040415A (en) * | 2017-12-21 | 2018-05-15 | 中国科学院合肥物质科学研究院 | Suitable for the integrated modular probe system of tungsten copper target plate |
| CN109541504A (en) * | 2018-07-02 | 2019-03-29 | 哈尔滨工业大学 | A kind of good magnetic field measurement system and method drawn in clean refined device plasma channel |
| CN109596245A (en) * | 2018-07-02 | 2019-04-09 | 哈尔滨工业大学 | It is good to draw electron temperature and plasma density measurement method and system in clean refined magnetic well |
| CN109541504B (en) * | 2018-07-02 | 2021-06-25 | 哈尔滨工业大学 | A magnetic field measurement system and method in a plasma channel of a Garage device |
| CN110673067A (en) * | 2019-09-04 | 2020-01-10 | 北京航空航天大学 | A two-dimensional magnetic induction probe for pulsed magnetic field diagnosis |
| CN110673067B (en) * | 2019-09-04 | 2021-02-26 | 北京航空航天大学 | Two-dimensional magnetic induction probe for pulse magnetic field diagnosis |
| CN111540480A (en) * | 2020-05-12 | 2020-08-14 | 中国科学院合肥物质科学研究院 | A Pole-oriented Fast Electron Measurement Probe System for Magnetically Confined Plasma |
| CN115047567A (en) * | 2022-05-23 | 2022-09-13 | 合肥聚能电物理高技术开发有限公司 | High-temperature plasma boundary optical signal acquisition device and processing method thereof |
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Granted publication date: 20140827 Termination date: 20150423 |
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